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TM 9-2320-364-34-4
28-67
(15)
Remove setscrew (23), and piston (22) from cylinder rod (3).
(16)
Remove backup ring (29), preformed packing (30) and backup ring (29) from piston (22). Discard
preformed packings and backup rings.
(17)
Remove spacer (24) from cylinder rod (3).
(18)
Remove cylinder head (19) from cylinder rod (3).
(19)
Remove preformed packing (25) and backup ring (26) from outside of cylinder head (19). Discard
preformed packing and backup ring.
(20)
Remove two wear rings (27) and buffer seal assembly (28) from inside cylinder head (19). Discard seals
and wiper ring.
(21)
Remove wiper ring (31), seal (32) and ring (33) from inside cylinder head (19).
b.
Cleaning/Inspection.
Drycleaning Solvent (P-D-680) is TOXIC and flammable. Wear protective goggles, face
shield, and gloves; use only in a well-ventilated area; avoid contact with skin, eyes, and
clothes, and do not breathe vapors. Keep away from heat or flame. Never smoke when
using solvent. The flashpoint for Type II Drycleaning Solvent is 140 degrees F (60 degrees
C) and Type III Drycleaning Solvent is 200 degrees F (93 degrees C). Failure to do so may
result in injury or death to personnel.
If personnel become dizzy while using cleaning solvent, immediately get fresh air and
medical help. If solvent contacts skin or clothes, flush with cold water. If solvent contacts
eyes, immediately flush eyes with water and get immediate medical attention.
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use only with
effective chip guarding and personal protective equipment (goggles/shield, gloves, etc). Failure
to comply may result in injury to personnel.
(1)
Clean all metal parts in drycleaning solvent.
(2)
Dry all metal parts with compressed air.
(3)
Inspect each part for cracks, bends, gouges and stripped threads.
(4)
Replace damaged parts.
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